Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Hillview Water Company-oakhurst/sierra Lakes

1,2-Dichloroethylene, a neurotoxic solvent, exists in two different forms: trans-1,2-dichloroethylene and cis-1,2-dichloroethylene. A mixture of the two forms is used to manufacture other solvents and chemical products.

 

86

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND230ND
2019ND120ND
2020ND100ND
2021ND130ND
2022ND190ND
2023ND90ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EPA Maximum Contaminant
Level (MCL): 70 ppb

The legal limit for cis-1,2-dichloroethylene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2018-01-02CA2010007_017_017-201801021611ND
2018-01-02CA2010007_028_028-201801021622ND
2018-04-03CA2010007_017_017-201804031510ND
2018-04-03CA2010007_028_028-201804031523ND
2018-04-30CA2010007_047_047-201804301410ND
2018-04-30CA2010007_046_046-201804301410ND
2018-04-30CA2010007_048_048-201804301432ND
2018-05-23CA2010007_024_024-201805231020ND
2018-05-25CA2010007_046_046-201805250932ND
2018-05-25CA2010007_046_046-201805251000ND
2018-07-10CA2010007_048_048-201807101418ND
2018-07-10CA2010007_046_046-201807101325ND
2018-07-10CA2010007_047_047-201807101445ND
2018-07-10CA2010007_017_017-201807101600ND
2018-07-10CA2010007_024_024-201807101515ND
2018-07-25CA2010007_009_009-201807251000ND
2018-07-31CA2010007_028_028-201807311023ND
2018-08-22CA2010007_010_010-201808221022ND
2018-10-09CA2010007_028_028-201810091323ND
2018-10-09CA2010007_017_017-201810091310ND
2018-10-10CA2010007_047_047-201810101002ND
2018-10-10CA2010007_048_048-201810101041ND
2018-10-10CA2010007_046_046-201810100925ND
2019-01-08CA2010007_046_046-201901081140ND
2019-01-08CA2010007_047_047-201901081315ND
2019-02-13CA2010007_048_048-201902130910ND
2019-09-12CA2010007_032_032-201909120832ND
2019-10-29CA2010007_001_001-201910290852ND
2019-10-29CA2010007_032_032-201910290925ND
2019-10-29CA2010007_003_003-201910290903ND
2019-12-23CA2010007_033_033-201912230916ND
2019-12-23CA2010007_034_034-201912230831ND
2019-12-30CA2010007_030_030-201912300837ND
2019-12-30CA2010007_007_007-201912300849ND
2019-12-30CA2010007_031_031-201912300844ND
2020-02-10CA2010007_048_048-202002100920ND
2020-06-16CA2010007_046_046-202006160752ND
2020-06-16CA2010007_002_002-202006160830ND
2020-06-16CA2010007_047_047-202006160805ND
2020-08-20CA2010007_046_046-202008201005ND
2020-08-20CA2010007_039_039-202008200908ND
2020-08-20CA2010007_047_047-202008201025ND
2020-08-20CA2010007_048_048-202008200950ND
2020-08-20CA2010007_041_041-202008201218ND
2020-09-14CA2010007_002_002-202009141220ND
2021-02-17CA2010007_040_040-202102171057ND
2021-08-11CA2010007_024_024-202108110908ND
2021-08-16CA2010007_047_047-202108161008ND
2021-08-16CA2010007_046_046-202108160908ND
2021-08-16CA2010007_009_009-202108160908ND
2021-08-16CA2010007_010_010-202108160908ND
2021-08-16CA2010007_048_048-202108161008ND
2021-08-25CA2010007_017_017-202108251108ND
2021-08-31CA2010007_028_028-202108311108ND
2021-09-10CA2010007_028_028-202109101309ND
2021-09-10CA2010007_017_017-202109101309ND
2021-09-24CA2010007_028_028-202109241209ND
2021-11-16CA2010007_017_017-202111160840ND
2022-02-07CA2010007_017_017-202202071012ND
2022-03-30CA2010007_040_040-202203300948ND
2022-05-11CA2010007_017_017-202205110940ND
2022-05-18CA2010007_040_040-202205180950ND
2022-06-06CA2010007_030_030-202206061142ND
2022-06-06CA2010007_031_031-202206061134ND
2022-06-06CA2010007_034_034-202206061124ND
2022-06-06CA2010007_033_033-202206061214ND
2022-06-06CA2010007_032_032-202206061202ND
2022-06-06CA2010007_007_007-202206061112ND
2022-06-07CA2010007_001_001-202206070818ND
2022-06-07CA2010007_047_047-202206070932ND
2022-06-07CA2010007_048_048-202206070942ND
2022-06-07CA2010007_003_003-202206070833ND
2022-06-07CA2010007_046_046-202206070922ND
2022-08-17CA2010007_017_017-202208170816ND
2022-08-17CA2010007_040_040-202208170845ND
2022-11-02CA2010007_040_040-202211021206ND
2022-11-02CA2010007_017_017-202211020841ND
2023-02-01CA2010007_040_040-202302010830ND
2023-02-01CA2010007_017_017-202302011336ND
2023-06-05CA2010007_041_041-202306051012ND
2023-06-06CA2010007_051_051-202306060820ND
2023-06-06CA2010007_013_013-202306061000ND
2023-06-06CA2010007_002_002-202306060822ND
2023-06-20CA2010007_039_039-202306200852ND
2023-07-12CA2010007_028_028-202307120905ND
2023-07-19CA2010007_046_046-202307190909ND